The factory

The factory z can complete an order in 12 days, factory p in 18 days. How many days does an order completed when the first two days work only the factory z and then both factories?

Correct answer:

t =  8 d

Step-by-step explanation:


t/12 + (t-2)/18=1

5t = 40

t = 8

Our simple equation calculator calculates it.



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